H0435000.A - EN - 2013-11
10
EN
Malfunction
Possible causes
Solutions
Calibration
impossible
(error message)
or
Redox sensor
reliability < 25%
•
Buffer solution defective
•
The sensor is dirty or defective
• The sensor is worn
•
Check that the solution used is 465mV
•
Use new buffer solution
•
Begin calibration again
•
Check the condition of the sensor tip
•
Check the porosity of the sensor
•
Clean the sensor by leaving its extremity in a 10% solution
of hydrochloric acid
• Replace the sensor
Slow Redox sensor
response
Redox sensor is electrostatically
charged
The sensor must not be wiped using a cloth or paper, shake
it gently
The free chlorine
level is too low
(murky water)
•
Water balance is incorrect (High
pH, etc.)
• The Redox set point is too low
•
The daily filtering time is too
short
•
Check and correct the water balance parameters (see
§2.1.1).
• Use the «Boost» mode
•
Make sure the set point is above 650mV
•
The daily filtering time must be at least 12 hours per day
during the season
The free chlorine
level is too high
• The water balance is incorrect
(Low pH, etc.)
• The Redox set point is too high
•
Check and correct the water balance parameters (see
§2.1.1)
•
Make sure the set point is not too high
•
Power off the appliance
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